What is a cookie? A refreshing explanation of the meaning and how to set deletion / activation on your smartphone ――Getting closer to IT.Softbank news

Have you ever been warned when opening a website or e-commerce site that says "Please obtain and consent to cookies to view"?

Cookies are used to temporarily record the information of the websites you visit on your computer or smartphone. This time, we will introduce the meaning of cookies, their advantages and disadvantages, and how to delete and enable them on your smartphone.

Shunsuke Hara, Digital Marketing Headquarters, Corporate Business Unit, SoftBank Corp.

Previous job was an internet advertising agency. In his current position, he is in charge of setting and managing advertising tags related to measuring the effectiveness of digital marketing, including SoftBank internal projects. He likes the internet.

What is a cookie that allows you to comfortably use online shopping and SNS?

Information such as login ID, browsing history, and number of visits is mainly stored in cookies, but since it is a text file, the file size is very small and it does not squeeze the free space of your computer or smartphone.

"By eliminating the trouble of entering information in this way, there are advantages such as improving user convenience and displaying advertisements that match one's own interests."

Have you ever heard of the word cash? Both are the same in that they store information, but they are largely in the type of information they handle. Cookies store a user's individual information, while cache stores information about a web page once visited in a web browser. As a result, web pages can be displayed at high speed by utilizing the cache.

"If you leave your seat or steal your device while leaving cookies on a shared computer such as an Internet cafe, there is a risk of unauthorized login using cookies." Cookies are allowed on shared computers and smartphones. In addition to managing cookies such as "No", try to take measures such as "Perform two-step authentication" and "Check your privacy policy". Also, if your password is leaked in one service, you can use it in other services as well. Unauthorized access to the Imozuru formula may occur ... Let's check the tips for creating and managing cookies. "

Let's review the reuse and security of passwords. "Passphrase" is the key to creating a strong password recommended by security experts.

"ITP (Intelligent Tracking Prevention)" is a function installed in the Web browser "Safari" that restricts the tracking * of websites using cookies. In order to eliminate anxiety about user tracking ^* , we limit the use of cookies issued by businesses other than the website you are browsing.

Laws and regulations applicable to each country in the EU that stipulate in detail the protection and handling of personal data. It is obligatory to disclose the purpose and period of use of cookies and obtain the consent of users.